电子束焊;电子束焊接

841 、 埋头铆钉 countersinkheadrivet 842 、 埋头锥孔 countersink 843 、 埋头螺栓 countersinkheadbolt 844 、 埋头螺丝 countersinkheadscrew 845 、 埋头钻 countersinkdrill 846 、

发表于:2018-11-29 / 阅读(198) / 评论(0) 分类 英文名句短语

In the square outside the British Library in London is a sculpture of Sir Isaac Newton - The first man who asked why apples seem always to fall towards the centre of the earth. Maybe they chose it for the spot because it shows a great scientist at wo

发表于:2018-12-07 / 阅读(112) / 评论(0) 分类 英文杂志-Magazine

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin

发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 Scientific American(九)月

beam, [bi:m] n 大梁(建筑中用作支撑的木材、金属或石头);光柱;臀围;平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(115) / 评论(0) 分类 不择手段背单词

Three Scientists Win Nobel Prize in Chemistry Three scientists have won the Nobel Prize for chemistry for their work to simplify and improve the imaging of biomolecules. 三位科学家因为在简化和改善生物分子成像方面的成就获得了诺

发表于:2019-01-03 / 阅读(203) / 评论(0) 分类 2017年VOA慢速英语(十)月

1471 、 实践计划 realization 1472 、 对比 contrast 1473 、 对流 convection 1474 、 对接 butt 1475 、 对接合;对接榫 buttjoint 1476 、 对接角榫 buttmitredjoint 1477 、 对接焊

发表于:2019-01-03 / 阅读(122) / 评论(0) 分类 英文名句短语

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(181) / 评论(0) 分类 英美文化

Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如,美国开拓西部的过程给美国语言增添了不少色彩。可

发表于:2019-01-14 / 阅读(186) / 评论(0) 分类 美国习惯用语

[0:0]efficiency效率,功效 [0:12.1950]elaborate elastic elbow elderly精心计划的,详尽的 橡皮图,松紧带 肘,肘部 较老的,年长的 [1:2.6076]elect electrical electron选举,推选 电的,电气科学的 电子 [1:41.1372]electronic elegant element elementary [2:36.2790]el

发表于:2019-01-16 / 阅读(193) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(101) / 评论(0) 分类 TED演讲教育篇

第一句:What kind of tour do you have? 你们有什么样的旅行路线? A: What kind of tour do you have? 你们有什么样的旅行路线? B: We offer many kinds of tours. 我们提供多种路线。 第二句:What can I see on the tour

发表于:2019-01-21 / 阅读(164) / 评论(0) 分类 旅游英语口语情景对话

A-bomb, atomic bomb 原子弹 absorption 吸收 to accelerate 加速 accelerating chamber 加速室 accelerator 加速器 synchrocyclotron 同步回旋加速器 synchrotron 同步加速器 betatron 电子

发表于:2019-02-03 / 阅读(128) / 评论(0) 分类 英文语法词汇

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(122) / 评论(0) 分类 实用英语

Background carrier 本底载流子 Background doping 本底掺杂 Backward 反向 Backward bias 反向偏置 Ballasting resistor 整流电阻 Ball bond 球形键合 Band 能带 Band gap 能带间隙 Ba

发表于:2019-02-05 / 阅读(115) / 评论(0) 分类 实用英语

bulk head 散货船 cross deck 过桥甲板 tugboat 拖船 freeing-port 舷墙上的流水孔 barge 驳船 dead weight 载重量 oil tank 油船 tonnage 吨位 container vessel 集装箱船 stern 艉部 pusher 推论 sterm frame艏柱 ferry 轮渡 mi

发表于:2019-02-08 / 阅读(307) / 评论(0) 分类 实用英语

iron and steel industry 钢铁工业 ironworks 铁厂 foundry 铸造车间 steelworks, steel mill 钢厂 coking plant 炼焦厂 electrometallurgy 电冶金学 powder metallurgy 粉末冶金学 blast f

发表于:2019-02-11 / 阅读(137) / 评论(0) 分类 英文语法词汇

质量合格证书 certification of fitness 原材料 raw material 底板 bottom plate 垫层 cushion 侧壁 sidewall 中心线center line 条形基础 strip footing 附件 accessories 型钢 profile steel 钢板 steel plate 熔渣 slag 飞溅 weldin

发表于:2019-02-15 / 阅读(153) / 评论(0) 分类 实用英语

Neutrons and protons occupy the atom's nucleus. The nucleus of an atom is tinyonly one millionth of a billionth of the full volume of the atombut fantastically dense, since it contains virtually all the atom's mass. As Cropper has put it, if an atom

发表于:2019-02-17 / 阅读(91) / 评论(0) 分类 万物简史

机械英语词汇(二)生产类 PCS Pieces 个(根,块等) PRS Pairs 双(对等) CTN Carton 卡通箱 PAL Pallet/skid 栈板 PO Purchasing Order 采购订单 MO Manufacture Order 生产单 D/C Date Code 生产日期码 ID/C Identification Code (供应商)识别码 SWR Special Work Reque

发表于:2019-02-18 / 阅读(137) / 评论(0) 分类 英文语法词汇

The Microscopic Technique Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the nature of matter itself. The invention of the visible light microscope late in the sixteenth cen

发表于:2019-02-25 / 阅读(126) / 评论(0) 分类 双语有声阅读
学英语单词
actinocyclus ellipticus lanceolata
advertisemental
ahole
Alox
altitude correction
antiaeration plate
avarition
bachelor of commerce
bashers
Basic fibre
beam index tube
biochemistry of lipids
black-bully
blind from
blind off a line
braatas
Celastrus monospermus
Chigyǒng-ri
cleit
coppering asbestos
coustaussa
covered waggor
Cyclops quadricornus
deck glass
deficiency transmitted from upper body to lower body
developed color
Diloft needle loom
element of polyphase circuit
endarkening
excision of thymoma
first order predicate
flash-forward
fungiform
furole
garnet-berry
genus alliums
glycovariant
Guntakal
hammocked
harmful wind
headsails
IM'd
inhomogeneous turbulence
ion exchange
liquefied gas producer vehicle
lower fermentation
machine-aided index
Mipax
modified smallpox
muromonab
negative after image
neomajucin
nominal measurement
non-automatic weaving machine
not put a foot wrong
NRTS
oatcake
octafluoropropane
orange color
orono
penelope
Poa breviligula
preaid annuity
rabies fixed virus
radar beam sharpening element
reversed consequent stream
Rubrobacterales
Saiva
scarred tongue
segment number
selective mining
sewage solid extractor
SFA analysis
shunt regulator
Silico-superphosphate
southern live oaks
space-exploration
speed responser
spherical faced pan
standing - on - nines carry
stdstyle
tactron
takeover attempts
talking-head
temporary library
testanment
the best medicine
time-stratigraphic facies
traffic route
transalpina
transient system deviation
underlying loans
unitization of cargo
uranagraphy
useages
variable mass
winter-ball
Wolsey, Thomas
wu wu i kuan
xiaoming
XTree
yto (yig-tuned oscillator)